<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2018 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GLPI is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

if (!defined('GLPI_ROOT')) {
   die("Sorry. You can't access this file directly");
}

/// ProjectCost class
/// since version 0.85
class ProjectCost extends CommonDBChild {

   // From CommonDBChild
   static public $itemtype = 'Project';
   static public $items_id = 'projects_id';
   public $dohistory       = true;


   static function getTypeName($nb = 0) {
      return _n('Cost', 'Costs', $nb);
   }


   /**
    * @see CommonDBChild::prepareInputForAdd()
   **/
   function prepareInputForAdd($input) {

      if (empty($input['end_date'])
          || ($input['end_date'] == 'NULL')
          || ($input['end_date'] < $input['begin_date'])) {

         $input['end_date'] = $input['begin_date'];
      }

      return parent::prepareInputForAdd($input);
   }


   /**
    * @see CommonDBTM::prepareInputForUpdate()
   **/
   function prepareInputForUpdate($input) {

      if (empty($input['end_date'])
          || ($input['end_date'] == 'NULL')
          || ($input['end_date'] < $input['begin_date'])) {

         $input['end_date'] = $input['begin_date'];
      }

      return parent::prepareInputForUpdate($input);
   }


   /**
    * @see CommonGLPI::getTabNameForItem()
   **/
   function getTabNameForItem(CommonGLPI $item, $withtemplate = 0) {

      // can exists for template
      if (($item->getType() == 'Project') && Project::canView()) {
         $nb = 0;
         if ($_SESSION['glpishow_count_on_tabs']) {
            $nb = countElementsInTable('glpi_projectcosts', ['projects_id' => $item->getID()]);
         }
         return self::createTabEntry(self::getTypeName(Session::getPluralNumber()), $nb);
      }
      return '';
   }


   /**
    * @param $item            CommonGLPI object
    * @param $tabnum          (default 1)
    * @param $withtemplate    (default 0)
    */
   static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0) {

      self::showForProject($item, $withtemplate);
      return true;
   }


   function rawSearchOptions() {
      $tab = [];

      $tab[] = [
         'id'                 => 'common',
         'name'               => __('Characteristics')
      ];

      $tab[] = [
         'id'                 => '1',
         'table'              => $this->getTable(),
         'field'              => 'name',
         'name'               => __('Title'),
         'searchtype'         => 'contains',
         'datatype'           => 'itemlink',
         'massiveaction'      => false
      ];

      $tab[] = [
         'id'                 => '2',
         'table'              => $this->getTable(),
         'field'              => 'id',
         'name'               => __('ID'),
         'massiveaction'      => false,
         'datatype'           => 'number'
      ];

      $tab[] = [
         'id'                 => '16',
         'table'              => $this->getTable(),
         'field'              => 'comment',
         'name'               => __('Comments'),
         'datatype'           => 'text'
      ];

      $tab[] = [
         'id'                 => '12',
         'table'              => $this->getTable(),
         'field'              => 'begin_date',
         'name'               => __('Begin date'),
         'datatype'           => 'datetime'
      ];

      $tab[] = [
         'id'                 => '10',
         'table'              => $this->getTable(),
         'field'              => 'end_date',
         'name'               => __('End date'),
         'datatype'           => 'datetime'
      ];

      $tab[] = [
         'id'                 => '14',
         'table'              => $this->getTable(),
         'field'              => 'cost',
         'name'               => __('Cost'),
         'datatype'           => 'decimal'
      ];

      $tab[] = [
         'id'                 => '18',
         'table'              => 'glpi_budgets',
         'field'              => 'name',
         'name'               => _n('Budget', 'Budgets', 1),
         'datatype'           => 'dropdown'
      ];

      $tab[] = [
         'id'                 => '80',
         'table'              => 'glpi_entities',
         'field'              => 'completename',
         'name'               => __('Entity'),
         'massiveaction'      => false,
         'datatype'           => 'dropdown'
      ];

      return $tab;
   }


   /**
    * Duplicate all costs from a project template to its clone
    *
    * @since 0.84
    *
    * @param $oldid
    * @param $newid
   **/
   static function cloneProject ($oldid, $newid) {
      global $DB;

      $iterator = $DB->request([
         'FROM'   => self::getTable(),
         'WHERE'  => ['projects_id'=> $oldid]
      ]);
      while ($data = $iterator->next()) {
         $cd                   = new self();
         unset($data['id']);
         $data['projects_id'] = $newid;
         $cd->add($data);
      }
   }


   /**
    * Init cost for creation based on previous cost
   **/
   function initBasedOnPrevious() {

      $ticket = new Ticket();
      if (!isset($this->fields['projects_id'])
          || !$ticket->getFromDB($this->fields['projects_id'])) {
         return false;
      }

      $lastdata = $this->getLastCostForProject($this->fields['projects_id']);

      if (isset($lastdata['end_date'])) {
         $this->fields['begin_date'] = $lastdata['end_date'];
      }
      if (isset($lastdata['cost'])) {
         $this->fields['cost'] = $lastdata['cost'];
      }
      if (isset($lastdata['name'])) {
         $this->fields['name'] = $lastdata['name'];
      }
      if (isset($lastdata['budgets_id'])) {
         $this->fields['budgets_id'] = $lastdata['budgets_id'];
      }
   }

   /**
    * Get last datas for a project
    *
    * @param $projects_id        integer  ID of the project
   **/
   function getLastCostForProject($projects_id) {
      global $DB;

      $iterator = $DB->request([
         'FROM'   => $this->getTable(),
         'WHERE'  => ['projects_id' => $projects_id],
         'ORDER'  => ['end_date DESC', 'id DESC']
      ]);

      if (count($iterator)) {
         return $iterator->next();
      }

      return [];
   }

   /**
    * Print the project cost form
    *
    * @param $ID        integer  ID of the item
    * @param $options   array    options used
   **/
   function showForm($ID, $options = []) {

      if ($ID > 0) {
         $this->check($ID, READ);
      } else {
         // Create item
         $options['projects_id'] = $options['parent']->getField('id');
         $this->check(-1, CREATE, $options);
         $this->initBasedOnPrevious();
      }

      $this->showFormHeader($options);
      echo "<tr class='tab_bg_1'>";
      echo "<td>".__('Name')."</td>";
      echo "<td>";
      echo "<input type='hidden' name='projects_id' value='".$this->fields['projects_id']."'>";
      Html::autocompletionTextField($this, 'name');
      echo "</td>";
      echo "<td>".__('Cost')."</td>";
      echo "<td>";
      echo "<input type='text' name='cost' value='".Html::formatNumber($this->fields["cost"], true)."'
             size='14'>";
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'><td>".__('Begin date')."</td>";
      echo "<td>";
      Html::showDateField("begin_date", ['value' => $this->fields['begin_date']]);
      echo "</td>";
      $rowspan = 3;
      echo "<td rowspan='$rowspan'>".__('Comments')."</td>";
      echo "<td rowspan='$rowspan' class='middle'>";
      echo "<textarea cols='45' rows='".($rowspan+3)."' name='comment' >".$this->fields["comment"].
           "</textarea>";
      echo "</td></tr>\n";

      echo "<tr class='tab_bg_1'><td>".__('End date')."</td>";
      echo "<td>";
      Html::showDateField("end_date", ['value' => $this->fields['end_date']]);
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'><td>".__('Budget')."</td>";
      echo "<td>";
      Budget::dropdown(['value' => $this->fields["budgets_id"]]);
      echo "</td></tr>";

      $this->showFormButtons($options);

      return true;
   }


   /**
    * Print the project costs
    *
    * @param $project               Project object
    * @param $withtemplate  boolean  Template or basic item (default 0)
    *
    * @return Nothing (call to classes members)
   **/
   static function showForProject(Project $project, $withtemplate = 0) {
      global $DB, $CFG_GLPI;

      $ID = $project->fields['id'];

      if (!$project->getFromDB($ID)
          || !$project->can($ID, READ)) {
         return false;
      }
      $canedit = $project->can($ID, UPDATE);

      echo "<div class='center'>";

      $iterator = $DB->request([
         'FROM'   => self::getTable(),
         'WHERE'  => ['projects_id' => $ID],
         'ORDER'  => ['begin_date']
      ]);

      $rand   = mt_rand();

      if ($canedit) {
         echo "<div id='viewcost".$ID."_$rand'></div>\n";
         echo "<script type='text/javascript' >\n";
         echo "function viewAddCost".$ID."_$rand() {\n";
         $params = ['type'         => __CLASS__,
                         'parenttype'   => 'Project',
                         'projects_id' => $ID,
                         'id'           => -1];
         Ajax::updateItemJsCode("viewcost".$ID."_$rand",
                                $CFG_GLPI["root_doc"]."/ajax/viewsubitem.php", $params);
         echo "};";
         echo "</script>\n";
         echo "<div class='center firstbloc'>".
               "<a class='vsubmit' href='javascript:viewAddCost".$ID."_$rand();'>";
         echo __('Add a new cost')."</a></div>\n";
      }
      $total = 0;
      echo "<table class='tab_cadre_fixehov'>";
      echo "<tr class='noHover'><th colspan='5'>".self::getTypeName(count($iterator)).
            "</th></tr>";

      if (count($iterator)) {
         echo "<tr><th>".__('Name')."</th>";
         echo "<th>".__('Begin date')."</th>";
         echo "<th>".__('End date')."</th>";
         echo "<th>".__('Budget')."</th>";
         echo "<th>".__('Cost')."</th>";
         echo "</tr>";

         Session::initNavigateListItems(__CLASS__,
                           //TRANS : %1$s is the itemtype name,
                           //        %2$s is the name of the item (used for headings of a list)
                                       sprintf(__('%1$s = %2$s'),
                                             Project::getTypeName(1), $project->getName()));

         while ($data = $iterator->next()) {
            echo "<tr class='tab_bg_2' ".
                  ($canedit
                     ? "style='cursor:pointer' onClick=\"viewEditCost".$data['projects_id']."_".
                     $data['id']."_$rand();\"": '') .">";
            $name = (empty($data['name'])? sprintf(__('%1$s (%2$s)'),
                                                   $data['name'], $data['id'])
                                          : $data['name']);
            echo "<td>";
            printf(__('%1$s %2$s'), $name,
                     Html::showToolTip($data['comment'], ['display' => false]));
            if ($canedit) {
               echo "\n<script type='text/javascript' >\n";
               echo "function viewEditCost" .$data['projects_id']."_". $data["id"]. "_$rand() {\n";
               $params = ['type'         => __CLASS__,
                                 'parenttype'   => 'Project',
                                 'projects_id' => $data["projects_id"],
                                 'id'           => $data["id"]];
               Ajax::updateItemJsCode("viewcost".$ID."_$rand",
                                       $CFG_GLPI["root_doc"]."/ajax/viewsubitem.php", $params);
               echo "};";
               echo "</script>\n";
            }
            echo "</td>";
            echo "<td>".Html::convDate($data['begin_date'])."</td>";
            echo "<td>".Html::convDate($data['end_date'])."</td>";
            echo "<td>".Dropdown::getDropdownName('glpi_budgets', $data['budgets_id'])."</td>";
            echo "<td class='numeric'>".Html::formatNumber($data['cost'])."</td>";
            $total += $data['cost'];
            echo "</tr>";
            Session::addToNavigateListItems(__CLASS__, $data['id']);
         }
         echo "<tr class='b noHover'><td colspan='3'>&nbsp;</td>";
         echo "<td class='right'>".__('Total cost').'</td>';
         echo "<td class='numeric'>".Html::formatNumber($total).'</td></tr>';
      } else {
         echo "<tr><th colspan='5'>".__('No item found')."</th></tr>";
      }
      echo "</table>";
      echo "</div>";
      echo "<div>";
      $ticketcost = TicketCost::showForObject($project);
      echo "</div>";
      echo "<div class='b'>";
      printf(__('%1$s: %2$s'), __('Total cost'), $total+$ticketcost);
      echo "</div>";
   }
}
